filter-branch.sh: remove temporary directory on failure

diff --git a/builtin-fetch-pack.c b/builtin-fetch-pack.c
index bb1742f1a267042a00f0a81bca32a4eefe87fd5d..e68e01592d044a2c2570f096668856eef5caa1a2 100644 (file)
--- a/builtin-fetch-pack.c
+++ b/builtin-fetch-pack.c
@@ -462,34 +462,12 @@ static int sideband_demux(int fd, void *data)
 {
        int *xd = data;
 
-       close(xd[1]);
        return recv_sideband("fetch-pack", xd[0], fd, 2);
 }
 
-static void setup_sideband(int fd[2], int xd[2], struct async *demux)
-{
-       if (!use_sideband) {
-               fd[0] = xd[0];
-               fd[1] = xd[1];
-               return;
-       }
-       /* xd[] is talking with upload-pack; subprocess reads from
-        * xd[0], spits out band#2 to stderr, and feeds us band#1
-        * through demux->out.
-        */
-       demux->proc = sideband_demux;
-       demux->data = xd;
-       if (start_async(demux))
-               die("fetch-pack: unable to fork off sideband demultiplexer");
-       close(xd[0]);
-       fd[0] = demux->out;
-       fd[1] = xd[1];
-}
-
 static int get_pack(int xd[2], char **pack_lockfile)
 {
        struct async demux;
-       int fd[2];
        const char *argv[20];
        char keep_arg[256];
        char hdr_arg[256];
@@ -497,7 +475,20 @@ static int get_pack(int xd[2], char **pack_lockfile)
        int do_keep = args.keep_pack;
        struct child_process cmd;
 
-       setup_sideband(fd, xd, &demux);
+       memset(&demux, 0, sizeof(demux));
+       if (use_sideband) {
+               /* xd[] is talking with upload-pack; subprocess reads from
+                * xd[0], spits out band#2 to stderr, and feeds us band#1
+                * through demux->out.
+                */
+               demux.proc = sideband_demux;
+               demux.data = xd;
+               if (start_async(&demux))
+                       die("fetch-pack: unable to fork off sideband"
+                           " demultiplexer");
+       }
+       else
+               demux.out = xd[0];
 
        memset(&cmd, 0, sizeof(cmd));
        cmd.argv = argv;
@@ -506,7 +497,7 @@ static int get_pack(int xd[2], char **pack_lockfile)
        if (!args.keep_pack && unpack_limit) {
                struct pack_header header;
 
-               if (read_pack_header(fd[0], &header))
+               if (read_pack_header(demux.out, &header))
                        die("protocol error: bad pack header");
                snprintf(hdr_arg, sizeof(hdr_arg), "--pack_header=%u,%u",
                         ntohl(header.hdr_version), ntohl(header.hdr_entries));
@@ -542,11 +533,10 @@ static int get_pack(int xd[2], char **pack_lockfile)
                *av++ = hdr_arg;
        *av++ = NULL;
 
-       cmd.in = fd[0];
+       cmd.in = demux.out;
        cmd.git_cmd = 1;
        if (start_command(&cmd))
                die("fetch-pack: unable to fork off %s", argv[0]);
-       close(fd[1]);
        if (do_keep && pack_lockfile)
                *pack_lockfile = index_pack_lockfile(cmd.out);
 
@@ -793,7 +783,6 @@ struct ref *fetch_pack(struct fetch_pack_args *my_args,
                        unlink(shallow);
                        rollback_lock_file(&lock);
                } else {
-                       close(fd);
                        commit_lock_file(&lock);
                }
        }